Air Circulation Jeopardy“A” “B” “C” “D” “E” “F”

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Changes in the polar jet stream help maintain the earth's heat

budget. True or false

true

2

The polar jet stream usually slows down in winter. True or false

false

3

Katabatic winds have a cooling effect, and chinook winds have a

warming effect. True or false

true

4

Sea breezes are more likely at night, while land breezes are more likely

during the day. True or false

false

5

The bora and mistral are local names given to chinook winds.

True of false

true

6

The wind called the "norther" in Texas is really not a local wind but

rather is a synoptic scale (macroscale) phenomenon. True of false

true

7

The existence of jet streams was first determined by Ben Franklin as the result of his kite experiments.

True or false

false

8

For much of South and Southeast Asia, winter is a period

characterized by relatively dry conditions. True or false

true

9

A sea breeze is usually best developed early in the morning.

True or false

false

10

Westerly flow aloft is unrelated to the earth's rotation. True or false

false

11

Jet stream winds are completely distinct from the midlatitude

westerlies. True or false

false

12

Seasonal changes in pressure are greater over continents than over

the oceans. True or false

true

13

The chinook wind has been known to cause rapid increases in temperature

in the Denver, CO area. True or false

true

14

The areas of abundant rainfall on the earth tend to be

near the equator and in midlatitudes.

15

Why do westerly winds prevail at upper altitudes?

rotation of the earth and equator to pole temperature contrast

16

Surface high pressure zones are usually associated with

clear or nearly clear weather.

17

Jet streams are associated with fronts because of the

large temperature gradient.

18

Most of the United States is situated in which zone of prevailing winds?

westerlies

19

When are upper air winds fastest?

in winter.

20

A Santa Ana (or Chinook or Foehn) wind is a:

very dry, warm wind coming down a mountain slope.

21

Summertime wildfires in California are fanned by:

the Santa Ana winds.

22

The dishpan experiments:

revealed a wavy circulation pattern when the pan was rotated.

23

Jet streams

occur at 25,000 to 40,000 feet in middle latitudes.

24

Winds are usually named for:

the direction or place from which they are blowing.

25

The region where the northeast trades meet the southeast trades is

known as the

ITCZ.

26

The definition of the word 'monsoon' means

seasonal wind shift.

27

A primary factor causing monsoon circulations is

greater temperature changes over continents compared to oceans.

28

The amount of precipitation received at a given location is

primarily controlled by

circulation patterns in the atmosphere.

29

Chinook winds, land-sea breezes and Santa Ana winds are examples

of ________ circulations.

mesoscale

30

The greater strength of jet stream winds during winter is due to

greater horizontal temperature contrasts.

31